Top JavaScript Developers
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
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$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 19 projectse-point SA is a web development company specializing in custom website development and full-stack web development projects. The reviews indicate a high level of professionalism and expertise, with 100% positive feedback emphasizing their ability to deliver high-quality solutions tailored to specific business needs. Notably, their attention to detail and effective project management have been consistently praised, leading to enhanced platform performance for their clients.
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$5,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 19 projectsLomray Software is a comprehensive web development company specializing in custom website and application development, including front-end and back-end services. The firm receives overwhelmingly positive feedback, with clients praising their communication and project management skills. Approximately 80% of reviews highlight Lomray's responsiveness and dedication to client satisfaction, making them a recommended partner for complex web development projects.
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$25,000+$150 - $199 / hr10 - 49Encinitas, CA
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See all 7 projectsFifty & Fifty is a creative agency specializing in website development and design, with a focus on nonprofits. Reviews reveal a strong reputation for delivering projects on time and within budget, with 100% positive feedback on their communication and project management. Frequently praised for their creativity and attention to detail, 33% of reviewers highlighted their ability to align with client values and needs effectively.
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$25,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 2 projectsEXB Soft is a software development company specializing in .NET, C#, and full-stack development for web and mobile applications. The overall feedback from clients is positive, highlighting their professionalism, timely delivery, and creative problem-solving. Approximately 95% of reviewers are satisfied with their communication and project management skills.
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$50,000+$150 - $199 / hr2 - 9Minneapolis, MN
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See all 6 projectsElectric Citizen is a web development company specializing in custom website development, full-stack web development, and web programming, with a strong focus on Drupal-based solutions. Clients praise their technical expertise, flexibility, and user-centered design approach, with 100% of feedback being positive. Notable strengths include effective project management and creative problem-solving, despite occasional personnel changes.
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$25,000+$25 - $49 / hr50 - 249Granite Bay, CA
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See all 7 projectsFullStack Labs is a Web Development company specializing in Custom Website Development and Web Application Development. The company is praised for its efficient agile development plans and strong communication skills, with nearly 100% of clients expressing satisfaction with their services. While some reviewers noted minor communication gaps, overall, FullStack Labs is recognized for its technical expertise and professionalism.
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$25,000+$100 - $149 / hr10 - 49Canton, OH
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See all 10 projectsSKYCATCHFIRE is a versatile web development company specializing in custom website and web application development. The company consistently receives positive feedback for its communication, flexibility, and ability to deliver projects on time and within budget. Approximately 90% of reviewers highlight SKYCATCHFIRE's effective project management and responsiveness, emphasizing their expertise in full-stack web development and their capacity to transform ideas into clean, modern designs.
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$10,000+$25 - $49 / hr10 - 49
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See all 12 projectsAttractor Software LLC is a Web Development company specializing in custom web application development and full-stack web development. The reviews highlight their responsive communication and effective project management, with 100% of reviewers impressed by their proactive problem-solving abilities. However, one review noted technical challenges during a live event, suggesting room for improvement in anticipating integration issues.
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$10,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
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See all 13 projectsIntegrio Systems is a web development company offering services in custom website development, full-stack web development, and web application development. Across their reviews, 100% of clients commend their technical expertise, flexibility, and responsiveness. Clients noted significant improvements in business outcomes and productivity, with 33% citing resource efficiency improvements and consistent on-time project delivery. Integrio Systems is praised for their ability to adapt and meet evolving project needs promptly.
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$25,000+$25 - $49 / hr50 - 249Hyderabad, India
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See all 5 projectsTericsoft is a web development company known for digitizing operations and providing comprehensive solutions like software and mobile app development. They received overwhelmingly positive feedback, with 100% of reviewers commending their project management and responsiveness. Their ability to adapt quickly without compromising quality is frequently praised.
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$50,000+$50 - $99 / hr50 - 249Novi Sad, Serbia
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See all 26 projectsCodetribe is a professional web development company specializing in custom web application development, full-stack web development, and web design services. The company consistently receives positive feedback, with all reviewers highlighting their professionalism, adaptability, and goal-oriented approach. Approximately 100% of reviews praise their timely delivery and strong communication skills. This indicates Codetribe's commitment to understanding client needs and providing tailored solutions.
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$5,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 4 projectsAriel Software Solutions Pvt. Ltd. is a web development company that specializes in app development, web programming, and quality analysis, providing full-stack web development services. They receive overwhelmingly positive feedback, with clients praising their innovative solutions, responsive communication, and effective project management. Approximately 85% of reviews highlight their impressive technical expertise and commitment to delivering quality products.
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$50,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
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See all 5 projectsINTELLISOFT Corp is a Web Development company known for its expertise in custom website and web application development. The company excels in integrating solutions such as ERP systems and offers full-stack capabilities using technologies like Node.js and .NET. Reviewers consistently highlight their maturity, strong communication skills, and project management, with approximately 100% of feedback being positive regarding their ongoing engagement and intuitive approach to development.
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$1,000+< $25 / hr10 - 49
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See all 8 projectsTechCoders.design is a specialized Shopify development agency known for its impressive portfolio and expertise in creating responsive and visually appealing e-commerce websites. With a client satisfaction rate of 100%, reviewers consistently praise their effective project management, agile communication, and outstanding customer service. Clients have reported increased sales and conversion rates, highlighting TechCoders.design’s capability in delivering quality work and innovative e-commerce solutions.
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$10,000+$50 - $99 / hr50 - 249Austin, TX
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See all 11 projectsScio is a full-stack web development company specializing in custom web application development and staff augmentation. The feedback from their clients is overwhelmingly positive, with 100% of reviewers praising their communication, culture alignment, and technical expertise. Scio's team is noted for being responsive, flexible, and capable of seamlessly integrating with existing teams to deliver high-quality web solutions.
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$5,000+$25 - $49 / hr250 - 999Ahmedabad, India
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See all 20 projectsSPEC INDIA is a company renowned for providing robust support in Web Development and related services. Clients commend their quality, hard work ethic, and timely delivery of tasks. Approximately 100% of feedback highlights their effective communication and project management skills, although some suggest improved communication regarding price changes.
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$1,000+$50 - $99 / hr10 - 49Fleet, England
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See all 13 projectsFlow Guys is a web development company specializing in Website Development, Web Design, and Custom Website Development projects, primarily leveraging the Webflow platform. They consistently receive positive feedback, noted for their professionalism, responsiveness, and dedication to client satisfaction, with over 90% of reviews highlighting their on-time delivery and proactive communication. Many clients commend their ability to integrate complex functionalities seamlessly while maintaining high standards of design and user experience.
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$10,000+$100 - $149 / hr2 - 9Amsterdam, Netherlands
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See all 10 projectsKlein Media is a full-service digital agency specializing in Website Development, Web Design, and SEO. Their client reviews are overwhelmingly positive, with 100% praising their professional management, timely delivery, and tailored solutions. Clients highlight Klein Media's adaptability and commitment to creating value through data-driven strategies, showcasing their expertise in both Full-Stack Web Development and Custom Website Development. Additionally, their exceptional communication and proactive approach are frequently noted as key strengths.
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$5,000+$25 - $49 / hr10 - 49Zagreb, Croatia
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See all 9 projectsProject42.Agency [powered by Uprise] is a web development company that excels in Web Programming, Custom Website Development, and Web Application Development. With 100% positive feedback from clients, they are praised for their exceptional project management, timely delivery, and ability to blend creativity with technical expertise, meeting and often exceeding client expectations.
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$10,000+$25 - $49 / hr10 - 49Dubai, United Arab Emirates
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See all 5 projectsAALA IT Solutions is a web development company specializing in Full-Stack Web Development and React Native app development. They have received overwhelmingly positive feedback, with clients praising their timely delivery, adaptability, and effective communication. Approximately 75% of reviews highlight their ability to meet complex project requirements and enhance user experiences, while suggestions for improvement are minimal.
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$50,000+$100 - $149 / hr50 - 249München, Germany
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See all 10 projectsCOBE is a versatile web development company specializing in Website Development, Custom Website Development, and Front-End Development. With a strong focus on UX/UI, COBE has received overwhelmingly positive feedback, with clients praising their flexibility, effective communication, and seamless integration with in-house teams. Notably, 100% of reviews highlight their effective project management and ability to swiftly adapt to client needs.
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$5,000+$25 - $49 / hr10 - 49Málaga, Spain
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See all 12 projectsInnovation Feel is a web development company renowned for its expertise in Website Development and Web Application Development. They receive overwhelmingly positive feedback, with 100% of reviews highlighting their excellent communication and project management skills. Clients praise their technical competence, timely delivery, and ability to address complex needs effectively, underscoring their dedication and professionalism in custom website and application development.
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$5,000+$25 - $49 / hr50 - 249Cherkasy, Ukraine
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See all 10 projectsVReal Soft specializes in Website Development and Web Design, providing tailored online solutions like responsive web applications and administrative dashboards. Their clients commend their effective project management, timely delivery, and deep domain knowledge, particularly in niche markets such as hairstyling and salons. Overall, feedback highlights VReal Soft's ability to meet specific client needs proficiently.
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$1,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 26 projectsAmeba Creative Studio is a versatile web development and design company specializing in website development, graphic design, and custom web solutions. Their clients frequently commend their innovative design solutions and meticulous project management, with 100% of reviewers highlighting their effective communication and responsiveness to client needs. The company is praised for balancing cost and quality, maintaining deadlines, and delivering high client satisfaction.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 9 projectsLestro is a proficient web development company specializing in creating robust and innovative websites and web applications, offering services such as full-stack web development, custom website development, and web design. The reviews highlight Lestro's efficiency, expertise, and exceptional project management, with over 90% of feedback being positive. Clients commend their prompt communication, attention to detail, and ability to meet deadlines, reflecting a high standard of client service and satisfaction.
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Undisclosed< $25 / hr50 - 249Houston, TX
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See all 9 projectsCraftedQ is a web development company specializing in Custom Website Development and WordPress Website Development. The reviews indicate a 100% positive feedback rate, with a notable emphasis on their attention to detail and commitment to quality. Approximately 80% of reviewers highlight their expertise in delivering tailored, user-friendly solutions, and efficient project management, consistently meeting deadlines and exceeding client expectations.
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$10,000+$25 - $49 / hr250 - 999Thiruvananthapuram, India
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See all 10 projectsTrenser Technology Solutions (P) Ltd. is a versatile software development company specializing in AI, medical imaging, IoT, and cloud-based solutions. Reviews commend their technical expertise, project management, and customer dedication, with over 90% of feedback highlighting their ability to meet complex requirements and deliver results efficiently. Many clients appreciate their proficiency in deep learning, visualization, and the capacity to integrate seamlessly with existing teams.
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$5,000+< $25 / hr50 - 249London, England
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See all 27 projectsiConnect Digital Solutions Ltd is a distinguished web development company specializing in custom website development and comprehensive web application development. The company is praised for its high-quality deliverables and adherence to timelines, with 100% of reviewers highlighting their professionalism and responsiveness. Specifically, 80% of reviews commend their ability to align company values and deliver solutions that exceed client expectations.
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$10,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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See all 15 projectsConcept Studio is a web development company specializing in full-stack web development, web design, and custom website development. Reviewers consistently praise their creativity, attention to detail, and excellent project management, with 100% satisfaction in terms of timely delivery and responsiveness. Clients highlight their impressive ability to align with brand values and their proactive approach to design and development.
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$1,000+$25 - $49 / hr10 - 49Iași, Romania
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See all 12 projectsCult of Coders is a prominent Web Development company specializing in Custom Website Development, Full-Stack Web Development, and Web Application Development. With a high level of expertise in platforms like React and Meteor, they maintain a strong focus on agile project management and effective communication. Their services receive overwhelmingly positive feedback, with clients appreciating their efficiency, attention to detail, and problem-solving capabilities.
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$10,000+$25 - $49 / hr50 - 249Addis Ababa, Ethiopia
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See all 3 projectsAddis Software is a web development company specializing in custom website development and WordPress themes. Reviews highlight their ability to deliver projects on time and within budget, with 100% of the feedback being positive. Clients appreciate their high-quality service and value, though some suggest enhancing internal SEO expertise.
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$1,000+$50 - $99 / hr10 - 49Toronto, Canada
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See all 10 projectsMeevo Digital is a reputable web development company specializing in custom website development, full-stack web development, and web application development. Clients consistently praise their speed, communication, and technical expertise, with nearly 100% positive feedback highlighting their ability to deliver responsive, efficient solutions. Their adaptability and client-focused approach are consistently noted as impressive by clients across various industries.
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$25,000+$25 - $49 / hr50 - 249Hanoi, Vietnam
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See all 10 projectsAdamo Software is a prominent full-stack web development company specializing in website and mobile app development, along with custom solutions for diverse industries. The company's reviews reflect a high level of customer satisfaction, with notable praise for their professionalism, fast delivery, and effective project management. Approximately 85% of reviewers commend their dedication and quality of work, highlighting their ability to meet project milestones and exceed client expectations.
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$10,000+$50 - $99 / hr2 - 9Malahide, Ireland
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See all 11 projectsMawla is a full-service web development company specializing in custom website development and web application development. The reviews highlight consistent positive feedback, with a 100% satisfaction rate among clients, praising their communication, project management, and ability to deliver high-quality websites on time and within budget. Approximately 90% of reviewers commend Mawla for their responsiveness and personalized approach to projects.
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$10,000+$50 - $99 / hr50 - 249Wrocław, Poland
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See all 26 projectsRST Software, a web development company, excels in providing custom website development and full-stack web development solutions. Their reviews highlight a 100% positive feedback rate, with clients praising their professionalism, strong project management, and commitment to quality. Approximately 75% of reviewers commend their ability to understand customer needs and deliver projects efficiently.
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$10,000+Undisclosed10 - 49Austin, TX
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See all 6 projectsLiving Proof Creative is a full-stack web development company that excels in custom website development and SEO optimization. With a 100% positive feedback rate, clients praise their ability to dramatically increase website traffic and seamlessly integrate with company culture, becoming a valuable extension of their team.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 11 projectsINFINITY-UP is a web development company specializing in back-end development and web programming. With 100% positive feedback, reviewers commend their quality of work and problem-solving skills. Notably, they deliver projects on time, meeting client needs with efficient communication and accurate estimates.
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$10,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 26 projectsThird Rock Techkno is a versatile web development company specializing in web application development, custom website development, and front-end development across various technologies, including Angular and React.js. Over 90% of reviews emphasize their impressive project management, commitment to quality, and excellent communication. Clients consistently highlight their technical expertise and professionalism, with many expressing 100% satisfaction with their services.
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$10,000+$50 - $99 / hr50 - 249Niš, Serbia
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See all 31 projectsIngsoftware is a comprehensive Web Development company with expertise in various sectors, including financial services, SaaS solutions, and custom website development. Positive feedback is consistent, with an estimated 90% of reviewers highlighting their professionalism, timely delivery, and deep understanding of client needs. Their commitment to quality and proactive approach is frequently praised, as well as their ability to integrate with clients' existing workflows.
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$50,000+$50 - $99 / hr50 - 249
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See all 18 projectsMad Devs is a web development company that excels in full-stack web and web application development, often using technologies like Python and Django. With 100% positive reviews, clients praise their strong communication, flexibility, and project management skills. Consistent themes in the feedback highlight their professionalism, timely delivery, and ability to understand and meet complex project needs effectively.
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$10,000+$25 - $49 / hr50 - 249Mountain View, CA
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See all 41 projectsCloseloop Technologies is a proficient web development company known for providing services such as custom website development, web programming, and full-stack web development. Reviews highlight their impressive project management and creative approach to web development, resulting in an overwhelmingly positive client experience. Approximately 90% of reviewers commend their effective communication and commitment to understanding client needs.
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$10,000+$25 - $49 / hr50 - 249London , England
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See all 12 projectsWise Vision is a web development company specializing in front-end and back-end development, with a focus on technologies such as Angular and Node.js. Their clients report a high level of satisfaction, with 100% positive feedback, highlighting their professionalism, innovative ideas, and strong project management skills. Many reviewers commend their ability to meet deadlines and their exceptional communication and problem-solving abilities.
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$10,000+< $25 / hr50 - 249Mumbai, India
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See all 47 projectsWDI - A Mobile App Development Company is a versatile web development firm offering services such as Website Development, Web Design, and Digital Marketing. With over 20 years of experience, the company receives overwhelmingly positive feedback, with no negative reviews reported. Clients frequently praise their project management, timely delivery, and the ability to transform ideas into functional websites, highlighting their adaptability and client-focused approach.
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$5,000+$100 - $149 / hr10 - 49Warrington, England
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See all 56 projectsAtomic Digital Marketing / Atomic Digital Labs is a versatile digital marketing agency providing services in Web Development, SEO, and Digital Marketing. Reviews highlight their expertise, professionalism, and responsiveness, with 100% positive feedback emphasizing their ability to deliver projects on time and cater to diverse client needs. Notably, 75% of reviewers commend their web development capabilities, making them a formidable choice for web programming and custom website development projects.
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$1,000+< $25 / hr10 - 49Bengaluru, India
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See all 10 projectsQuixta is a web development company specializing in redesigning websites for improved user experience and modern aesthetics. Reviews highlight their patient understanding of client needs and timely project delivery. Notably, 100% of reviewers commend their ability to enhance digital experiences without suggesting areas for improvement.
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$10,000+$100 - $149 / hr250 - 999Brooklyn, NY
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See all 36 projectsFive, an Endava company, is a versatile digital agency specializing in mobile app development, strategic consulting, and user acquisition. Reviewers commend their comprehensive project management and innovative approach, highlighting their effectiveness in delivering high-quality work on time and within budget. Approximately 90% of clients praise their expertise, adaptability, and client-focused service, underscoring their commitment to fostering successful, long-term partnerships.
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$10,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 31 projectsWebethics is a comprehensive web development company specializing in custom website development, web design, and web application development. Across their reviews, 100% of the feedback highlights their high-quality work, efficient project management, and responsive communication. Clients often commend their adaptability and proactive problem-solving, with 70% mentioning their ability to exceed expectations and meet deadlines consistently.
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$10,000+< $25 / hr250 - 999Jaipur, India
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See all 3 projectsZcodeo LLP is a full-stack web development company, excelling in custom website development and web application development. Reviews highlight their strong technical skills, effective communication, and robust project management, with 100% positive feedback. They have successfully delivered multiple healthcare solutions, demonstrating expertise in both front-end and back-end development.
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$10,000+$25 - $49 / hr50 - 249Hallandale Beach, FL
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See all 11 projectsWEDOWEBAPPS is a comprehensive web development company excelling in custom website development, web application development, and full-stack web development. With approximately 100% positive feedback, clients universally commend their exceptional customer service, timely delivery, and competitive pricing, highlighting their effective communication and project management skills. Around 70% of reviewers specifically appreciate their ability to address complex web development and SEO optimization needs.
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$10,000+$50 - $99 / hr50 - 249San Jose, CA
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See all 12 projectsBeehive Software is a custom software development company specializing in Web Development, Web Application Development, and Full-Stack Web Development. Reviews highlight their high-quality service, responsive communication, and fast project delivery, with 100% positive feedback on their unique project management model and cost-effectiveness. Approximately 80% of reviewers commend their alignment with client values, emphasizing a strong cultural fit and good value for cost.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development75% JavaScript50% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
39.1/40.019.8/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$1,000+< $25 / hr250 - 999Boston, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$25,000+$100 - $149 / hr50 - 249Long Beach, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.